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United States Patent | 5,233,478 |
Kanota | August 3, 1993 |
An apparatus for recording a digital signal composed of a plurality of different types of data. A plurality of rotary heads are coupled together to form a head unit, in which the heads are spaced from each other by predetermined distance in a track pitch direction and in a head scanning direction. A record device supplies the rotary heads with the digital signal for recording in adjacent tracks on a magnetic tape. The digital signal is supplied to the rotary heads in a timed manner such that the areas in adjacent tracks in which the same types of data are recorded are displaced from each other along the tracks by the predetermined distance in the head scanning direction.
Inventors: | Kanota; Keiji (Kanagawa, JP) |
Assignee: | Sony Corporation (Tokyo, JP) |
Appl. No.: | 637205 |
Filed: | January 3, 1991 |
Jan 09, 1990[JP] | 2-2384 | |
Jul 03, 1990[JP] | 2-176070 |
Current U.S. Class: | 360/21; 386/96 |
Intern'l Class: | G11B 005/02 |
Field of Search: | 360/18,19.1,21,32,64,36.1,36.2,70 |
4630132 | Dec., 1986 | Terada et al. | 358/310. |
5072316 | Dec., 1991 | Kubota et al. | 360/64. |
Foreign Patent Documents | |||
0327188 | Aug., 1989 | EP. | |
0344754 | Dec., 1989 | EP. |
Patent Abstracts of Japan vol. 10, No. 177 (P-470) Jun. 21, 1986 & JP-A-61 024 062 (Sanyo Electric Co. Ltd.). |